The week in pictures: 15 March 2013

Left: The gasometer in Oberhausen. Right: Christo's Big Air Package, which is made from 5.3 tons of translucent material, filling the interior of the former gas storage facility. The world's largest self-supporting sculpture will be on show to the public in Oberhausen, Germany, from March 16 until Dec. 30, 2013.Picture: Hannelore Foerster/Getty Images, Martin Meissner/AP